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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/base/user_input_monitor.h" | 5 #include "media/base/user_input_monitor.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/location.h" | 8 #include "base/location.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
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| 58 LRESULT* result); | 58 LRESULT* result); |
| 59 RAWINPUTDEVICE* GetRawInputDevices(EventBitMask event, DWORD flags); | 59 RAWINPUTDEVICE* GetRawInputDevices(EventBitMask event, DWORD flags); |
| 60 | 60 |
| 61 // Task runner on which |window_| is created. | 61 // Task runner on which |window_| is created. |
| 62 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; | 62 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; |
| 63 scoped_refptr<base::ObserverListThreadSafe< | 63 scoped_refptr<base::ObserverListThreadSafe< |
| 64 UserInputMonitor::MouseEventListener>> mouse_listeners_; | 64 UserInputMonitor::MouseEventListener>> mouse_listeners_; |
| 65 | 65 |
| 66 // These members are only accessed on the UI thread. | 66 // These members are only accessed on the UI thread. |
| 67 scoped_ptr<base::win::MessageWindow> window_; | 67 scoped_ptr<base::win::MessageWindow> window_; |
| 68 uint8 events_monitored_; | 68 uint8_t events_monitored_; |
| 69 KeyboardEventCounter counter_; | 69 KeyboardEventCounter counter_; |
| 70 | 70 |
| 71 DISALLOW_COPY_AND_ASSIGN(UserInputMonitorWinCore); | 71 DISALLOW_COPY_AND_ASSIGN(UserInputMonitorWinCore); |
| 72 }; | 72 }; |
| 73 | 73 |
| 74 class UserInputMonitorWin : public UserInputMonitor { | 74 class UserInputMonitorWin : public UserInputMonitor { |
| 75 public: | 75 public: |
| 76 explicit UserInputMonitorWin( | 76 explicit UserInputMonitorWin( |
| 77 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner); | 77 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner); |
| 78 ~UserInputMonitorWin() override; | 78 ~UserInputMonitorWin() override; |
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| 180 UINT size = 0; | 180 UINT size = 0; |
| 181 UINT result = GetRawInputData( | 181 UINT result = GetRawInputData( |
| 182 input_handle, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER)); | 182 input_handle, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER)); |
| 183 if (result == static_cast<UINT>(-1)) { | 183 if (result == static_cast<UINT>(-1)) { |
| 184 PLOG(ERROR) << "GetRawInputData() failed"; | 184 PLOG(ERROR) << "GetRawInputData() failed"; |
| 185 return 0; | 185 return 0; |
| 186 } | 186 } |
| 187 DCHECK_EQ(0u, result); | 187 DCHECK_EQ(0u, result); |
| 188 | 188 |
| 189 // Retrieve the input record itself. | 189 // Retrieve the input record itself. |
| 190 scoped_ptr<uint8[]> buffer(new uint8[size]); | 190 scoped_ptr<uint8_t[]> buffer(new uint8_t[size]); |
| 191 RAWINPUT* input = reinterpret_cast<RAWINPUT*>(buffer.get()); | 191 RAWINPUT* input = reinterpret_cast<RAWINPUT*>(buffer.get()); |
| 192 result = GetRawInputData( | 192 result = GetRawInputData( |
| 193 input_handle, RID_INPUT, buffer.get(), &size, sizeof(RAWINPUTHEADER)); | 193 input_handle, RID_INPUT, buffer.get(), &size, sizeof(RAWINPUTHEADER)); |
| 194 if (result == static_cast<UINT>(-1)) { | 194 if (result == static_cast<UINT>(-1)) { |
| 195 PLOG(ERROR) << "GetRawInputData() failed"; | 195 PLOG(ERROR) << "GetRawInputData() failed"; |
| 196 return 0; | 196 return 0; |
| 197 } | 197 } |
| 198 DCHECK_EQ(size, result); | 198 DCHECK_EQ(size, result); |
| 199 | 199 |
| 200 // Notify the observer about events generated locally. | 200 // Notify the observer about events generated locally. |
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| 308 | 308 |
| 309 } // namespace | 309 } // namespace |
| 310 | 310 |
| 311 scoped_ptr<UserInputMonitor> UserInputMonitor::Create( | 311 scoped_ptr<UserInputMonitor> UserInputMonitor::Create( |
| 312 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, | 312 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, |
| 313 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner) { | 313 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner) { |
| 314 return scoped_ptr<UserInputMonitor>(new UserInputMonitorWin(ui_task_runner)); | 314 return scoped_ptr<UserInputMonitor>(new UserInputMonitorWin(ui_task_runner)); |
| 315 } | 315 } |
| 316 | 316 |
| 317 } // namespace media | 317 } // namespace media |
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